diff options
Diffstat (limited to 'mm/nommu.c')
| -rw-r--r-- | mm/nommu.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index 062dc1c90d21..8c3a04784dbe 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -172,11 +172,11 @@ static void *__vmalloc_user_flags(unsigned long size, gfp_t flags) if (ret) { struct vm_area_struct *vma; - down_write(¤t->mm->mmap_sem); + mmap_write_lock(current->mm); vma = find_vma(current->mm, (unsigned long)ret); if (vma) vma->vm_flags |= VM_USERMAP; - up_write(¤t->mm->mmap_sem); + mmap_write_unlock(current->mm); } return ret; @@ -1542,9 +1542,9 @@ int vm_munmap(unsigned long addr, size_t len) struct mm_struct *mm = current->mm; int ret; - down_write(&mm->mmap_sem); + mmap_write_lock(mm); ret = do_munmap(mm, addr, len, NULL); - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); return ret; } EXPORT_SYMBOL(vm_munmap); @@ -1631,9 +1631,9 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, { unsigned long ret; - down_write(¤t->mm->mmap_sem); + mmap_write_lock(current->mm); ret = do_mremap(addr, old_len, new_len, flags, new_addr); - up_write(¤t->mm->mmap_sem); + mmap_write_unlock(current->mm); return ret; } @@ -1705,7 +1705,7 @@ int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, struct vm_area_struct *vma; int write = gup_flags & FOLL_WRITE; - if (down_read_killable(&mm->mmap_sem)) + if (mmap_read_lock_killable(mm)) return 0; /* the access must start within one of the target process's mappings */ @@ -1728,7 +1728,7 @@ int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, len = 0; } - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return len; } |